import * as utils from "./utils";
import * as common from "./common";
'use strict';
var rotl32 = utils.rotl32;
var sum32 = utils.sum32;
var sum32_3 = utils.sum32_3;
var sum32_4 = utils.sum32_4;
var BlockHash = common.BlockHash;
function RIPEMD160() {
    if (!(this instanceof RIPEMD160))
        return new RIPEMD160();
    BlockHash.call(this);
    this.h = [0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476, 0xc3d2e1f0];
    this.endian = 'little';
}
utils.inherits(RIPEMD160, BlockHash);
RIPEMD160.blockSize = 512;
RIPEMD160.outSize = 160;
RIPEMD160.hmacStrength = 192;
RIPEMD160.padLength = 64;
RIPEMD160.prototype._update = function update(msg, start) {
    var A = this.h[0];
    var B = this.h[1];
    var C = this.h[2];
    var D = this.h[3];
    var E = this.h[4];
    var Ah = A;
    var Bh = B;
    var Ch = C;
    var Dh = D;
    var Eh = E;
    for (var j = 0; j < 80; j++) {
        var T = sum32(rotl32(sum32_4(A, f(j, B, C, D), msg[r[j] + start], K(j)), s[j]), E);
        A = E;
        E = D;
        D = rotl32(C, 10);
        C = B;
        B = T;
        T = sum32(rotl32(sum32_4(Ah, f(79 - j, Bh, Ch, Dh), msg[rh[j] + start], Kh(j)), sh[j]), Eh);
        Ah = Eh;
        Eh = Dh;
        Dh = rotl32(Ch, 10);
        Ch = Bh;
        Bh = T;
    }
    T = sum32_3(this.h[1], C, Dh);
    this.h[1] = sum32_3(this.h[2], D, Eh);
    this.h[2] = sum32_3(this.h[3], E, Ah);
    this.h[3] = sum32_3(this.h[4], A, Bh);
    this.h[4] = sum32_3(this.h[0], B, Ch);
    this.h[0] = T;
};
RIPEMD160.prototype._digest = function digest(enc) {
    if (enc === 'hex')
        return utils.toHex32(this.h, 'little');
    else
        return utils.split32(this.h, 'little');
};
function f(j, x, y, z) {
    if (j <= 15)
        return x ^ y ^ z;
    else if (j <= 31)
        return (x & y) | ((~x) & z);
    else if (j <= 47)
        return (x | (~y)) ^ z;
    else if (j <= 63)
        return (x & z) | (y & (~z));
    else
        return x ^ (y | (~z));
}
function K(j) {
    if (j <= 15)
        return 0x00000000;
    else if (j <= 31)
        return 0x5a827999;
    else if (j <= 47)
        return 0x6ed9eba1;
    else if (j <= 63)
        return 0x8f1bbcdc;
    else
        return 0xa953fd4e;
}
function Kh(j) {
    if (j <= 15)
        return 0x50a28be6;
    else if (j <= 31)
        return 0x5c4dd124;
    else if (j <= 47)
        return 0x6d703ef3;
    else if (j <= 63)
        return 0x7a6d76e9;
    else
        return 0x00000000;
}
var r = [
    0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
    7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8,
    3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12,
    1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2,
    4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13
];
var rh = [
    5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12,
    6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2,
    15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13,
    8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14,
    12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11
];
var s = [
    11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15, 6, 7, 9, 8,
    7, 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12,
    11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5,
    11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12,
    9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6
];
var sh = [
    8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6,
    9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11,
    9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5,
    15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8,
    8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11
];
export { RIPEMD160 as ripemd160 };
